1. Excessive consumption of alcohol is defined as having five or more drinks on the same occasion, 12 or more times a year.

2. The 95% confidence interval (CI) indicates the limits around a sample estimate in which the true population value is expected to fall, 19 out of 20 times. When confidence intervals overlap, the difference is not considered statistically significant.

3. Health region.

*: Coefficient of variation between 15% and 25%; interpret with caution.